Finding the Fourth Proportional to 434,379,818.10, 651,569,727.15 and 230,306,474.10
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Solution
The fourth proportional to 434,379,818.10, 651,569,727.15 and 230,306,474.10 is: 345,459,711.15
Step by Step Solution
- Step 1: Write the proportion equation
434,379,818.10 : 651,569,727.15 = 230,306,474.10 : x - Step 2: Convert to fraction form
434,379,818.10/651,569,727.15 = 230,306,474.10/x - Step 3: Cross multiply
434,379,818.10x = 651,569,727.15 × 230,306,474.10 - Step 4: Simplify right side
434,379,818.10x = 150,060,726,490,215,520 - Step 5: Solve for x
x = 150,060,726,490,215,520/434,379,818.10 - Step 6: Final answer
x = 345,459,711.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.